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Antijamming Method for Pulse Per Second Signal in Synchronized Sampling Unit Based on GPS.Automation of Electric Power Systems,2000,24(1):45-47. GPS同步采样装置中防止干扰GPS脉冲信号的措施.;电力系统自动化;2000;24(1):45-47
The thesis analyzes the errors and makes the improvements in software aspectsuch as how to improve data precision and adopting digital filtering method as well asin hardware aspect where synchronized sampling and selection of ADC are provided. 本文分别对测量方法、硬件和软件进行了误差分析，在软件方面提出如何提高数据处理精度以及引入FIR数字抗混叠滤波器等改进方法；硬件上则包括同步采样的实现、ADC的选取等改进方法。
This approach doesn't require synchronized sampling and integer period truncation, and can obtain directly the frequencies, amplitudes and phases of fundamental waves and harmonics. 该方法不需要同步采样和整周期截断，可一次性获得电力系统基波及各次谐波的频率、幅值和相位。
By using the synchronized sampling scheme, the output voltage feedback contains no ripple components and we can improve the voltage loop bandwidth compared with the conventional approaches. 当输出电压回授不再含有双倍频电压涟波时，将可提高电压迴路的频宽而不致造成电流失真。
Synchronous sampling by software is commonly used in digital measurement of periodic electric signals. 软件同步采样是周期电气信号测量中最常用的采样方式。
Abstract：Multi-channel synchronal sampling system plays an important role in array signal processing system. 摘要：多通道同步采集系统是阵列信号处理系统中的重要环节。
A frequency tracking method is proposed.The synchronism sampling is achieved to improve the measuring precision of frequency and phase difference. 本文提出一种频率跟踪方法，可以在不过零开始采样的情况下，实现整周期采样，保证频率和相位差测量的精度。
Broken slag and synchronous sampling methods bring to simpler structure,less sampling time and higher reliability of it,which is a key to solve a problem. 取样机所采用的破渣与取样同步进行的取样方式使结构大为简化,取样时间减少,可靠性增高,是解决问题的关键。
In this paper,the double-speed synchronous sampling method is introduce d to the power system harmonic measurement, and the corresponding algorithm mode l of DFT is deduced. 将双速率同步采样法用于电力系统谐波测量，导出相应的DFT计算模型。
T he software synchronism sampling method based on real-time pa rameter self-optimizing minishes pe riod t runca tion e r ror, and the meas urement accur acy is improved . 基于软件查表功能的设计,按照有关标准进行被测变压器的容量判别[1-2]。该仪器集多种试验方式于一体,提供了二表法和三表法试验。
We mensure voltage、current、frequency and power by using AC synchronized sample technique.We multifrequency and conpensate the sample signal to reduce the errors caused by the change of frequency. 控制器采用交流同步采样方法测量电压、电流、频率、功率等电气量，通过软件对采样信号进行倍频和补偿，以减小频率变化对测量结果造成的误差。
The software synchronism sampling method based on real-time parameter self-optimizing minishes period truncation error, and the measurement accuracy is improved. 基于实时参数自寻优的软件同步采样，有效地减小了周期截断误差，提高了测量准确度；
And it has a good effect to use quasisynchronous sampling in the digital measure of common electrical parameter having the same accuracy of the synchronous sampling method. 并将准同步采样算法应用于电工参数数字化测量中,具有良好的效果,与同步采样具有相当的准确度。
Abstract: In this paper,the double-speed synchronous sampling method is introduce d to the power system harmonic measurement, and the corresponding algorithm mode l of DFT is deduced. 文摘:将双速率同步采样法用于电力系统谐波测量，导出相应的DFT计算模型。
The algorithm can accurately track the power frequency and decompose the current signals orthogonally into resistive and capacitive components, without recurring to synchronous sampling. 该算法无需同步采样，可以跟踪电网频率并实现电阻性电流和电容性电流的分解。
This paper studies several synchronous sampling methods and data processing algorithms and put forward a method which combines the GPS and the phase locked loop(PLL) to realize synchronous sampling. 本文从实用的角度研究了目前几种数据同步采样方法和采样数据处理算法，提出了利用GPS与锁相环相结合的方法来实现电网数据的同步采样。
Structure and theory of wide magnitude electrical energy measurement module based on PSOC (EPSOC) are introduced in this paper,adjustable range algorithm and synchronous sampling are analyzed. 介绍了一种基于可编程片上系统(PSOC)的宽量程电能计量模块(EPSOC)的结构与原理,分析了自调增益算法及同步采样算法。
To set or regulate so as to be synchronized. 调整相位为使同步进行而调整或控制
He synchronized the time bomb with his watch. 他用自己的手表时间校正了计时炸弹的时间。